Senior Web Developer

Overview

About Semgrep Semgrep, the leader in code security for builders, empowers invention without friction. Teams catch, flag, and fix real issues before they ship, powered by security that learns as they build. Semgrep secures code as it’s written and provides guardrails that pave the road for developers to move fast and stay secure. Built for builders and trusted by security, Semgrep lives where developers work, delivering fixes without breaking flow, and giving security teams visibility, control, and confidence.

Semgrep gets smarter as you build, with AI that learns your context to cut false positives and prioritize reachable vulnerabilities, validated by 95% of security reviewers across 6M+ findings. Semgrep makes zero false positives a reality with App Sec teams triaging 80% fewer false positives across Code and Supply Chain, dramatically shrinking the backlog.

You will join a small but mighty Marketing team with exceptional teammates all over the world who love spreading the word about Semgrep, getting to know our community, and helping improve software security and reliability. We are looking for a Senior Web Developer to bring our story to life through semgrep.dev. You will own our most important tool for telling a cohesive and clear story about our product and company.

You will partner closely with Marketing, Design, and other stakeholders to shape intentional user journeys and build experiences that guide visitors from first touch through conversion. Your work will support go-to-market strategies and directly influence pipeline growth, product adoption, and revenue by turning engagement into measurable outcomes.

Prior experience in a fast-paced, tech environment is helpful, but we are more interested in your collaborative nature and technical skills than your pedigree. If this opportunity excites you but you don’t meet the exact requirements, apply anyway!

This hybrid role requires 2 days per week in-office in our San Francisco office, allowing for a balance of collaboration and flexibility.

• Build, maintain, and optimize semgrep.dev with a focus on performance, accessibility, and user experience
• Diagnose and fix bugs across the site while proactively identifying issues before they affect users
• Improve the codebase and CMS by refining front-end architecture, development workflows, and overall reliability
• Collaborate with marketers, designers, and developers to deliver iterative improvements that drive engagement and conversion
• Work closely with designers to bring polished, high quality front end experiences to life
• Support operational improvements such as code deployments, updates, and releases while improving reliability and flexibility

• 4+ years of web development experience, building dynamic, responsive websites with an emphasis on the front-end
• Fluency in front-end technologies such as HTML, CSS, and Java Script
• Experience working with CMSs (Statamic, Craft CMS, Wordpress, Contentful etc) and extending their functionality
• Knowledge of server-side languages such as Node.js or PHP
• Familiarity with modern digital design and prototyping tools such as Figma
• Experience and comfort with Git and version control
• Excellent verbal and written communication skills with a knack for explaining complex technical concepts to marketers, designers, and other stakeholders
• Strong sense of responsibility and accountability with excellent attention to detail

• Understanding of Dev Ops practices and CI/CD pipelines
• Familiarity with hosting and deployment platforms such as Netlify, Heroku, Vercel, or similar tools
• Experience working with experimentation platforms or analytics tools

• Salary Range: $122,000 - $152,000
• Our compensation package includes equity and benefits in addition to salary.
• Please note that the range listed is for someone based in the San Francisco Bay Area.

Our goal is to competitively and fairly compensate every Semgrep employee with a system that equally rewards those who are vocal and those who are less comfortable making demands during the final steps of the hiring process. We generate…